a = [1, 2, 3, 4, 5]
b = ['a', 'b', 'c', 'd', 'e']

print(a, b)


# 1:a 2:b 3:c 4:d 5:e
# 1 a 2 b 3 c 4 d 5 e
def main():
    kv = ''
    for i in range(0, len(a)):
        # print(f'{a[i]}:{b[i]}', end=' ')
        kv += str(a[i]) + ':' + b[i]+' '
    return kv


if __name__ == '__main__':
    print(main())
